currently undergoing surgery. >> we'll go live to andrea fujii. we heard the suspect may not have been caught. is that right? >> reporter: actually, that is news to me, jessica. we just got on the scene. the last i heard, according to reports, the suspect was in custody. that's according to police. i want to show you the mass pandemonium. we're on north wolf and east madison. the information we have is that the doctor remains in critical condition in surgery right now and according to our media partner the baltimore sun, a nurse, who was on the same floor in the nelson building at the time of the shooting, sought shooter come. he was apparently upset at the medical treatment give ton his mom. he, according to a nurse, threatened to jump out the window. that nurse ran out and heard gunshots behind her.